3D glasses



FIG. 1 is a top elevation view thereof,

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a bottom elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left-side elevation view thereof; and,

FIG. 6 is a right-side elevation view thereof. 

The ornamental design for 3D glasses, as shown and described. 